JP2011102487A - Door locking/unlocking indication device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door locking/unlocking indication device which enables a door to be unlocked from the outside in an emergency and which can indicate a door locking/unlocking state. <P>SOLUTION: This door locking/unlocking indication device includes: an outer shell portion 2 for being fixed to a surface 6a facing the outdoor side of the door 6; and an indication member 5 which is inserted into a hole 3, provided in the outer shell portion 2, in such a manner as to be capable of protruding from/receding into a leading end surface 4 of the outer shell portion 2, which protrudes when the door 6 is locked by turning a thumb-turn 21 provided on a surface 6b facing the indoor side of the door 6, which unlocks the door 6 by turning the thumb-turn on the axis in an emergency, and which recedes when the door is unlocked by turning the thumb-turn 21. Thus, the locked/unlocked state of the door 6 can be surely indicated. Additionally, the door 6 can be unlocked from the outside by turning the protruding indication member 5 on the axis in the emergency in the locked state of the door 6. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a door locking / unlocking display device that is provided at a door that opens and closes a doorway of a room and displays a locking / unlocking state of the door.

  The thing of patent document 1 is known as an example of the door locking / unlocking display apparatus which displays the locking / unlocking state of a door. The door locking / unlocking display device includes an identification means for identifying the locked state of the door by touch, and the identification means passes through the through hole and a main body having a through hole. It is composed of a protrusion having at least one protrusion that can be projected and retracted from the main body, and when locking, the protrusion is moved from an initial position so that a part or all of the protrusion protrudes from the main body to release the locking. In some cases, a protrusion moving mechanism is provided that moves the protrusion to an initial position to accommodate the protrusion in the main body.

JP 2006-177109 A

  By the way, in the said conventional door locking / unlocking display apparatus, although it can display that the door is locked by protrusion protruding from the main body, the door cannot be unlocked from the outside in an emergency. On the other hand, there is a locking device that can unlock the door from the outside in the event of an emergency, but since such a locking device and the door locking / unlocking display device are separate, it is necessary to attach both of them to the door. There was a problem that it took time and cost.

  This invention is made | formed in view of the said situation, and makes it a subject to provide the door locking / unlocking display apparatus which can display the door locking / unlocking state while being able to unlock the door from the outside in an emergency.

In order to solve the above problems, the invention described in claim 1 is provided in a door 6 that opens and closes a doorway of a room, for example, as shown in FIGS. 1 to 4, and displays the unlocked / unlocked state of the door 6. A door locking / unlocking display device 1,
An outer shell portion 2 fixed to a surface 6a facing the outdoor side of the door 6;
The hole 3 provided in the outer shell 2 is inserted so as to be able to protrude from the front end surface 4 of the outer shell 2, and the thumb turn 21 provided on the surface 6b facing the indoor side of the door 6 is turned and locked. And a display member 5 that protrudes sometimes and unlocks the door 6 by rotating around an axis in an emergency, and sinks when the thumb turn 21 is unlocked. To do.

According to the first aspect of the present invention, the display member 5 protrudes from the front end surface 4 of the outer shell portion 2, whereby the locked state of the door 6 can be displayed, and the display member 5 is displayed on the front end surface 4 of the outer shell portion 2. Since the door 6 is unlocked, the unlocked state of the door 6 can be displayed, so that the unlocked state of the door 6 can be reliably displayed.
Further, in an emergency in the locked state of the door 6, the door 6 can be unlocked from the outside by rotating the protruding display member 5 around the axis.

The invention according to claim 2 is the door lock / unlock display device according to claim 1,
The display member 5 is characterized in that a color for calling attention is provided on the outer peripheral surface of the front end portion.
Here, examples of colors that call attention include yellow and red, but are not limited thereto. For example, you may employ | adopt the color in which the color of the front end surface of the display member 5 or the surface of the outer shell part 2 and a complementary color relationship, and the color from which brightness and saturation differ.

  According to the invention described in claim 2, the display member 5 protrudes from the distal end surface 4 of the outer shell portion 2 in the locked state, but a color for calling attention is given to the outer peripheral surface of the distal end portion of the display member 5. As a result, the color of the protruding outer peripheral surface of the display member 5 is conspicuous, so that the locked state can be reliably confirmed.

The invention according to claim 3 is the door locking / unlocking display device according to claim 1 or 2, as shown in FIG.
The display member 5 is characterized in that the outer peripheral surface of the tip portion can emit light.

  Here, in order to be able to emit light at the outer peripheral surface of the front end portion of the display member 5, for example, a phosphorescent tape is attached to the outer peripheral surface of the front end portion of the display member 5 or an attachment groove 5 d is formed on the outer peripheral surface of the display member 5. And you may insert LED (light emitting diode) 35 and a miniature light bulb in this attachment groove 5d. When using a phosphorescent tape, for example, it is desirable to use a high-intensity phosphorescent tape that continues to radiate the stored light for a relatively long time (for example, 6 to 8 hours).

  According to the third aspect of the present invention, the display member 5 protrudes from the distal end surface 4 of the outer shell portion 2 in the locked state, but the outer peripheral surface of the distal end portion of the display member 5 can emit light. The door locking state can be confirmed with certainty.

Invention of Claim 4 is the door locking / unlocking display apparatus as described in any one of Claims 1-3,
A concave groove 5b is provided on the front end surface 5a of the display member 5 so as to pass through the center of rotation of the display member 5 and an end of the display member 5 is open to the outer peripheral surface of the display member 5.

  According to the invention described in claim 4, the display member 5 protrudes from the front end face 4 of the outer shell portion 2 in the locked state, and in an emergency, the protruding display member 5 is rotated around its axis, thereby When unlocking 6 from the outside, the display member 5 can be easily moved by engaging and turning coins, a driver, other plate-like members, etc. in the concave grooves 5b formed in the front end surface 5a of the display member 5. Can be rotated.

The invention according to claim 5 is the door locking / unlocking display apparatus according to claim 4,
Green or blue is given to one surface 5c among the opposing surfaces of the concave groove 5b,
In the unlocked state, the display member 5 is submerged with the concave groove 5b facing up and down,
When the thumb turn 21 is turned and locked, the display member 5 protrudes while rotating and the one surface 5c is located on the upper side.

  According to the fifth aspect of the present invention, in the unlocked state of the door, the concave groove 5b of the display member 5 faces up and down, so green or blue applied to one surface 5c of the concave groove 5b. Can be easily recognized. On the other hand, in the locked state of the door, since the display member 5 protrudes while rotating and one surface 5c of the concave groove 5b is positioned on the upper side, it is difficult to see green or blue applied to the surface 5c. Since the member 5 protrudes, it can confirm that it is a locked state.

Invention of Claim 6 is the door locking / unlocking display apparatus as described in any one of Claims 1-5,
Green or blue is applied to the inner peripheral surface of the tip of the hole 3 provided in the outer shell 2,
In the unlocked state, the display member 5 is submerged to a position deeper than the distal end surface 4 of the outer shell portion 2.

  According to the invention described in claim 6, since the display member 5 is submerged to a position deeper than the distal end surface 4 of the outer shell portion 2 in the unlocked state, the holes 3 provided in the outer shell portion 2 The green or blue color applied to the inner peripheral surface of the tip can be visually recognized. Therefore, it can confirm easily that it is an unlocked state.

The invention according to claim 7 is the door locking / unlocking display device according to any one of claims 1 to 6, for example, as shown in FIG.
An unevenness 5e for preventing slipping is formed on the outer peripheral surface of the display member 5.

  According to the invention described in claim 7, in the locked state, the display member 5 protrudes from the distal end surface 4 of the outer shell portion 2, and in an emergency, when holding the protruding display member 5 and turning it around the axis, The non-slip unevenness 5e formed on the outer peripheral surface of the display member 5 can reliably grip and rotate the display member 5 without slipping.

  According to the present invention, the hole provided in the outer shell portion fixed to the surface facing the outdoor side of the door is inserted so as to be able to protrude from the front end surface of the outer shell portion, and is provided on the surface facing the indoor side of the door. It has a display member that protrudes when it is locked by turning the thumb-turn and unlocks the door by rotating it around the axis in an emergency, and also has a display member that sinks when it is unlocked by turning the thumb-turn. The door can be unlocked from the outside by rotating the protruding display member around the axis in an emergency in the locked state of the door.

An example of the door locking / unlocking display apparatus which concerns on this invention is shown, (a) is a sectional side view in the locked state, (b) is a sectional side view in the unlocked state. (A) is a perspective view in the locked state, (b) is a perspective view in the unlocked state. The door locking / unlocking display device according to the present invention is shown attached to the door, wherein (a) is a perspective view in the locked state, and (b) is a perspective view in the unlocked state. The state which attached the door locking / unlocking display apparatus which concerns on this invention to the door is shown, (a) is a sectional side view in the locked state, (b) is a sectional side view in the unlocked state. The locking device interlock | cooperated with the door locking / unlocking display apparatus which concerns on this invention is shown, (a) is a sectional side view in the locked state, (b) is a sectional side view in the unlocked state. It is a sectional side view which shows the other example of the display member of the door locking / unlocking display apparatus which concerns on this invention. It is a perspective view which shows the other example of the door locking / unlocking display apparatus which concerns on this invention.

Embodiments of a door locking / unlocking display apparatus according to the present invention will be described below with reference to the drawings.
1 and 2 show a door locking / unlocking display device 1 according to the present embodiment. FIG. 1 (a) is a sectional view when the door is locked, and FIG. 1 (b) is a door unlocking state. FIG. 2A is a perspective view when the door is locked, and FIG. 2B is a perspective view when the door is unlocked.

As shown in FIGS. 1 and 2, the door locking / unlocking display device 1 is inserted into the outer shell portion 2 and the hole 3 provided in the outer shell portion 2 so as to be able to protrude and retract from the front end surface 4 of the outer shell portion 2. The display member 5 is provided.
As shown in FIG. 3, the outer shell 2 is fixed to a surface 6a facing the outdoor side of the door 6 that opens and closes the entrance of the room. As shown in FIG. It is comprised by the cover part 8 attached to the base part 7. FIG.
The base part 7 is comprised from the base 7a fixed to the surface 6a of the door 6, and the cylindrical part 7b standingly arranged by this base 7a. The pedestal 7a is disk-shaped, and a bearing 7c is fixed in a hole formed in the center thereof. The cylindrical portion 7b is disposed outside the bearing 7c, and the upper end surface of the cylindrical portion 7b has four inclined surfaces 9a inclined with respect to the axis of the cylindrical portion 7b, and the four inclined surfaces 9a are It arrange | positions so that it may become a mountain valley along the circumferential direction. Therefore, the upper end portion of the cylindrical portion 7b has a shape in which two crests and two troughs are alternately arranged in the circumferential direction.

The cover portion 8 includes an outer cylindrical portion 8a, an inner cylindrical portion 8b provided on the inner side of the outer cylindrical portion 8a, and a ring plate-shaped tip disk that couples the outer cylindrical portion 8a and the inner cylindrical portion 8b. It is comprised integrally with the part 8c.
The inner cylindrical part 8b is shorter than the outer cylindrical part 8a, and the inner diameter and outer diameter of the inner cylindrical part 8b are equal to the inner diameter and outer diameter of the cylindrical part 7b of the base part 7.
The end surface (the right end surface in FIG. 1) of the inner cylindrical portion 8b has two inclined surfaces 9b and 9b and two inclined surfaces 9c and 9c formed by cutting the inclined surfaces 9b and 9b toward the distal end disk portion 8c. The four inclined surfaces 9b, 9c, 9b, 9c are arranged so as to form a valley along the circumferential direction. Therefore, the end portion of the inner cylindrical portion 8b has a shape in which two crest portions and two trough portions are alternately arranged in the circumferential direction, and a step portion is provided between the inclined surface 9b and the inclined surface 9c. It has a provided shape.

  The two inclined surfaces 9b, 9b facing the diameter direction of the inner cylindrical portion 8b and the two inclined surfaces 9a, 9a facing the diameter direction among the four inclined surfaces 9a of the cylindrical portion 7b. And the two inclined surfaces 9c, 9c facing the diametrical direction of the inner cylindrical portion 8b and the remaining inclined surfaces 9a, 9a facing the diametrical direction of the cylindrical portion 7b are separated in parallel. ing. A slit-shaped cam groove 10 is formed between the inclined surface 9c and the inclined surface 9a. That is, the inner cylindrical portion 8b is provided with two cam grooves 10, 10, and the cam groove 10 is inclined with respect to the axial direction of the inner cylindrical portion 8b from the lower end surface of the inner cylindrical portion 8b. It extends by 90 ° in the circumferential direction of 8b. Further, the two cam grooves 10, 10 are arranged symmetrically with respect to the axis of the inner cylindrical portion 8b.

The display member 5 has a cylindrical shape with a closed end surface 5a, and the outer diameter thereof is substantially equal to or slightly smaller than the inner diameter of the inner cylindrical portion 8b. Accordingly, the display member 5 is inserted into the inner cylindrical portion 8b so as to be rotatable about the axis and movable in the axial direction. Cam portions 11, 11 project from the outer peripheral surface of the display member 5. The cam portions 11 and 11 are provided opposite to each other in the diameter direction of the display member 5, and the cam portions 11 and 11 are engaged with the cam grooves 10 and 10 so as to be slidable in the extending direction.
As shown in FIG. 1A, when the cam portion 11 is positioned at one end (top) of the cam groove 10, the display member 5 is the tip surface of the cover portion 8, that is, the outer shell portion. When the cam portion 11 is positioned at the other end of the cam groove 10 as shown in FIG. 1B, the display member 5 is the tip end surface of the cover portion 8, That is, it sunk to the deepest position from the front end surface 4 of the outer shell 2.
Further, by rotating the display member 5 around the axis, the cam portion 11 moves along the cam groove 10, and accordingly, the display member 5 appears and disappears from the front end surface 4 of the outer shell portion 2 while rotating. It is like that. That is, by rotating the display member 5 by 90 ° around the axis from the most submerged position, the display member 5 protrudes most from the distal end surface 4 of the outer shell portion 2 while rotating, and the display member 5 from this position. Is rotated 90 degrees in the opposite direction around the axis, so that the display member 5 is most submerged from the distal end surface 4 of the outer shell 2 while rotating in the opposite direction.

Further, the outer peripheral surface of the tip end portion of the display member 5 is given yellow. That is, the outer peripheral surface of the display member 5 protruding from the front end surface 4 of the outer shell portion 2 is given yellow. The yellow color is applied by applying yellow paint to the outer peripheral surface of the front end portion of the display member 5 or adhering a yellow tape.
Further, the front end surface 5 a of the display member 5 is provided with a concave groove 5 b that passes through the center of rotation of the front end surface 5 a of the display member 5 and has an end opening on the outer peripheral surface of the display member 5. The display member 5 can be easily rotated by engaging and turning a coin, a driver, or a plate-like member in the concave groove 5b.
Further, as shown in FIG. 2, one surface 5c of the opposing surfaces of the concave groove 5b is green or blue, and when the unlocked state shown in FIG. Is recessed with its concave groove 5b facing up and down, and when the thumb turn 21 described later is turned and locked, as shown in FIG. The surface 5c is positioned above.
Moreover, as shown in FIG.1 (b) and FIG.2 (b), the front-end | tip inner peripheral surface of the hole 3 provided in the outer shell part 2 is given green or blue, and it is in an unlocked state. The display member 5 is submerged to a position deeper than the front end surface 4 of the outer shell portion 2, whereby green or blue color applied to the inner peripheral surface of the front end portion of the hole 3 is exposed.

As shown in FIG. 1, two key grooves 12, 12 extending in the axial direction are formed on the inner peripheral surface of the display member 5 so as to face each other in the radial direction.
On the other hand, a rotary shaft 13 is inserted into the display member 5 so as to be slidable in the axial direction. Keys 14 and 14 provided on the outer peripheral surface of the rotary shaft 13 are axially inserted into the key grooves 12 and 12. Is slidably engaged.
Therefore, the display member 5 moves in the axial direction while rotating with the rotation of the rotary shaft 13. That is, when the cam portions 11 and 11 provided in the display member 5 move in the cam grooves 11 and 11 provided in the inner cylindrical portion 8b, the display member 5 moves in the axial direction while rotating. ing.
A square hole 13 a is formed on the end surface of the rotating shaft 13.

As shown in FIG. 4, the door locking / unlocking display device 1 configured as described above is attached to a surface 6 a facing the outdoor side of the door 6. That is, after the base 7a of the door locking / unlocking display device 1 is brought into contact with the surface 6a, the bolts 17 and 17 are inserted into the base 7a, and the door 7 is passed through the door 6 and screwed into the thumb-turn mounting base 20. It is fixed.
The bolts 17 and 17 are inserted through the door 6 so as not to penetrate a lock device 25 described later. That is, the diameter of the pedestal 7 a is larger than the height of the lock device 25, and the bolts 17 and 17 are arranged and inserted through the door 6 so as to sandwich the lock device 25.

The thumb turn mounting base 20 has a substantially trapezoidal disk shape, and a through hole 20a is formed at the center thereof. A thumb turn 21 is provided on the upper surface of the thumb turn mounting base 20 so as to be rotatable about an axis, and a rotating shaft 22 of the thumb turn 21 is inserted into the through hole 20a so as to be rotatable around the axis via a bearing 20b. Yes. The rotating shaft 22 is disposed coaxially with the rotating shaft 13 of the door locking / unlocking display device 1, and a square hole 22 a is formed on the end surface of the rotating shaft 22.
A connecting shaft 23 having a square cross section is inserted through the door 6, and one end portion of the connecting shaft 23 is fitted into the hole 13 a of the rotating shaft 13, and the other end portion of the connecting shaft 23. Is fitted in the hole 22 a of the rotating shaft 22.
Therefore, the connecting shaft 23 rotates by turning the thumb turn 21, and the rotating shaft 13 rotates by the rotation of the connecting shaft 23. When the rotary shaft 13 rotates, the display member 5 moves in the axial direction while rotating, so that the display member 5 protrudes and appears from the front end surface 4 of the outer shell portion 2.
That is, as shown in FIG. 4A, when the thumb turn 21 is rotated and locked, the display member 5 protrudes from the distal end surface 4 of the outer shell portion 2, and as shown in FIG. When unlocked by turning, the display member 5 is sunk from the front end surface 4 of the outer shell portion 2.
Further, in the locked state shown in FIG. 4A, when the display member 5 is rotated around the axis in an emergency, the rotating shaft 13 is rotated, and the rotating shaft 13 is rotated so that the connecting shaft 23 is rotated. The rotating shaft 22 rotates, and the thumb turn 21 rotates in the unlocking direction as shown in FIG.

In the locked state, as shown in FIG. 4 (a), the dead bolt 26 of the locking device 25 protrudes from the side end surface of the door 6 and fits into a strike (not shown), and the door 6 is locked. In the unlocked state, as shown in FIG. 4 (b), the dead bolt 26 of the locking device 25 is substantially flush with the side end surface of the door 6 and comes off the strike (not shown) to unlock the door 6. State.
As shown in FIG. 5, the lock device 25 includes a case 27 and the dead bolt 26 inserted into the case 27 so as to be able to protrude and retract from the front end surface thereof. A slide member 28 is connected to the base end portion of the dead bolt 26. The slide member 28 is slidable forward and backward (left and right in FIG. 5). An opening 28a is formed.

A rotating arm 29 is disposed in the case 27, and a square shaft hole 29 a is formed at the base end portion of the rotating arm 29. The connecting shaft 23 is inserted into the shaft hole 29a. Therefore, the rotation arm 29 is rotated back and forth (left and right in FIG. 5) about the connection shaft 23 as the connection shaft 23 rotates about the axis.
The tip of the rotating arm 29 is inserted into the opening 28 a of the slide member 28. Therefore, as shown in FIG. 5 (a), the slide member 28 slides forward when the turning arm 29 turns forward (leftward in FIG. 5), whereby the dead bolt 26 is moved to the case 27. It protrudes from the front end. Further, as shown in FIG. 5B, the slide member 28 slides backward when the rotating arm 29 rotates backward (rightward in FIG. 5), whereby the dead bolt 26 is moved to the case 27. It is designed to be almost flush with the front end surface.

Further, a stopper member 30 is provided at the base end portion of the rotating arm 29, and the stopper member 30 has two stopper surfaces 30a and 30b orthogonal to each other.
On the other hand, the base end portion of the leaf spring 31 is fixed to the lower surface of the case 27, and the leaf spring 31 is disposed below the stopper member 30.
As shown in FIG. 5A, when the rotating arm 29 is rotated forward and the dead bolt 26 protrudes from the front end surface of the case 27, the stopper surface 30a of the stopper member 30 is a leaf spring. 31, thereby maintaining the protruding state (locked state) of the dead bolt 26.
That is, as shown in FIG. 4A, when the thumb turn 21 is turned to the locking side, the connecting shaft 23 is rotated and the rotating arm 29 is rotated forward, whereby the dead bolt 26 is attached to the case 27. The display member 5 protrudes from the front end surface 4 of the outer shell 2 while projecting from the front end surface to be locked.
At this time, as shown in FIG. 3A, the groove 5b formed in the front end surface 5a of the display member 5 is substantially horizontal.

When the rotating arm 29 rotates backward from the state shown in FIG. 5A, the stopper member 30 presses the leaf spring 31 against its elastic return force and bends downward. As shown in FIG. 5B, when the rotating arm 29 is rotated rearward and the dead bolt 26 is substantially flush with the front end surface of the case 27, the stopper surface 30b of the stopper member 30 is a plate. The spring 31 abuts against the spring 31, thereby maintaining the flush state (unlocked state) of the dead bolt 26.
That is, as shown in FIG. 4B, when the thumb turn 21 is turned to the unlocking side, the connecting shaft 23 rotates and the rotating arm 29 rotates rearward, whereby the dead bolt 26 is moved to the case 27. The display member 5 is sunk from the distal end surface 4 of the outer shell 2 while being in an unlocked state substantially flush with the distal end surface of the outer shell 2.
At this time, as shown in FIG. 3B, the concave groove 5b formed in the front end surface 5a of the display member 5 is substantially vertical.

According to the present embodiment, when the display member 5 protrudes from the front end surface 4 of the outer shell portion 2, the locked state of the door 6 can be displayed, and the display member 5 is submerged from the front end surface of the outer shell portion 2. Since the unlocked state of the door 6 can be displayed, the unlocked state of the door 6 can be displayed reliably. In an emergency in the locked state of the door 6, by rotating the protruding display member 5 around the axis, The door 6 can be unlocked from the outside.
Further, the display member 5 protrudes from the distal end surface 4 of the outer shell portion 2 in the locked state, but since the outer peripheral surface of the display member 5 is yellow, the yellow of the outer peripheral surface of the protruding display member 5 is Therefore, the locked state can be reliably confirmed.

Further, since the front end surface 5a of the display member 5 is provided with a concave groove 5b passing through the center of rotation of the display member 5 and having an end opening on the outer peripheral surface of the display member 5, it protrudes in an emergency. When the door 6 is unlocked from the outside by rotating the display member 5 around the axis, the display member 5 is rotated by engaging a coin, a driver, other plate-like members or the like with the concave groove 5b. Can be easily rotated.
In the unlocked state of the door, the concave groove 5b of the display member 5 faces up and down, so that the green or blue color applied to the one surface 5c of the concave groove 5b can be easily recognized. On the other hand, in the locked state of the door 6, since the display member 5 protrudes while rotating and the one surface 5c of the concave groove 5b is positioned on the upper side, it becomes difficult to see green or blue applied to the surface 5c. Since the display member 5 protrudes, it can confirm reliably that it is a locked state.
Further, the inner peripheral surface of the tip of the hole 3 provided in the outer shell 2 is green or blue, and the display member 5 is deeper than the tip 4 of the outer shell 2 when unlocked. Since it is submerged, the green or blue color applied to the inner peripheral surface of the tip of the hole 3 can be visually recognized. Therefore, it can confirm easily that it is an unlocked state.

In the present embodiment, yellow is applied to the outer peripheral surface of the front end portion of the display member 5, but instead of this, or in addition to this, the outer peripheral surface of the front end portion of the display member 5 may be configured to emit light. .
Here, in order to be able to emit light on the outer peripheral surface of the front end portion of the display member 5, for example, a phosphorescent tape is attached to the outer peripheral surface of the front end portion of the display member 5, or as shown in FIG. A mounting groove 5d may be formed on the outer peripheral surface, and an LED (light emitting diode) 35 or a miniature bulb may be inserted into the mounting groove 5d.
Moreover, in this Embodiment, although yellow was given to the front-end | tip part outer peripheral surface of the display member 5, instead of this or in addition to this, as shown in FIG. The unevenness 5e for preventing slipping may be formed. In this case, the groove 5b on the front end surface 5a of the display member 5 may be formed or may not be formed.

DESCRIPTION OF SYMBOLS 1 Door locking / unlocking display apparatus 2 Outer shell part 3 Hole 4 Front end surface 5 Display member 5a Front end surface 5b Concave groove 5c One side 6 Door 21 Thumb turn 35 LED

Claims (7)

A door locking / unlocking display device that is provided at a door that opens and closes a doorway of a room and displays a locking / unlocking state of the door,
An outer shell portion fixed to a surface facing the outdoor side of the door;
It is inserted into the hole provided in the outer shell portion so as to be able to protrude from the front end surface of the outer shell portion, and protrudes when the thumb turn provided on the surface facing the indoor side of the door is turned and locked. A door locking / unlocking display apparatus comprising: a display member that unlocks the door by rotating around an axis, and that sinks when the thumb turn is unlocked. In the door locking / unlocking display apparatus according to claim 1,
A door locking / unlocking display device, wherein a color for calling attention is provided on an outer peripheral surface of a tip portion of the display member. In the door locking / unlocking display device according to claim 1 or 2,
The door locking / unlocking display device characterized in that the outer peripheral surface of the tip end portion of the display member can emit light. In the door locking / unlocking display device according to any one of claims 1 to 3,
A door locking / unlocking display device, characterized in that a concave groove is provided on a front end surface of the display member so as to pass through the center of rotation of the display member and an end of the display member opens to the outer peripheral surface of the display member. In the door lock / unlock display device according to claim 4,
Green or blue is given to one of the opposing surfaces of the groove,
When unlocked, the display member is submerged with its concave groove facing up and down,
The door locking / unlocking display device, wherein when the thumb turn is turned and locked, the display member protrudes while rotating and the one surface is located on the upper side. In the door locking / unlocking display device according to any one of claims 1 to 5,
Green or blue is given to the inner peripheral surface of the tip of the hole provided in the outer shell,
The door locking / unlocking display device, wherein the display member is submerged to a position deeper than a tip surface of the outer shell portion in the unlocked state. In the door lock / unlock display device according to any one of claims 1 to 6,
A door locking / unlocking display device, wherein unevenness for preventing slippage is formed on an outer peripheral surface of a tip portion of the display member.

Images